Home / 149,461.85-223,202.07-131,353.49

Finding the Fourth Proportional to 149,461.85, 223,202.07 and 131,353.49

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Solution

The fourth proportional to 149,461.85, 223,202.07 and 131,353.49 is: 196,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,461.85 : 223,202.07 = 131,353.49 : x
  2. Step 2: Convert to fraction form
    149,461.85/223,202.07 = 131,353.49/x
  3. Step 3: Cross multiply
    149,461.85x = 223,202.07 × 131,353.49
  4. Step 4: Simplify right side
    149,461.85x = 29,318,369,753.71
  5. Step 5: Solve for x
    x = 29,318,369,753.71/149,461.85
  6. Step 6: Final answer
    x = 196,159.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.